yorks5stringer Posted November 13, 2017 Share Posted November 13, 2017 (edited) I bought Hydrochloric Acid (0.1M, 0.1N) to age some metalwork on a Bass by the 'Tupperware Fume' method. As nothing is happening are there any chemists out there who can advise please? I suspect as some offered on sale was 35% I have got a very low dilution at 0.1N/M? If that's the case, would I be able to immerse the items or am I wasting my time and need to get the stronger gear? I tried using Vinegar which works on screws, but nowt else.... I'm trying to replicate that dull metal finish for a new bridge guard on an old Bass.... Edited November 13, 2017 by yorks5stringer Quote Link to comment Share on other sites More sharing options...
Bridgehouse Posted November 13, 2017 Share Posted November 13, 2017 What metal are the parts made out of? Nickel will age reasonably quickly, especially if you rough it up with a scouring pad first. Chrome however, not so much so. In fact, probably not at all. You need a different approach with Chrome. Similarly with x coated brass (depending on what x is) 1 Quote Link to comment Share on other sites More sharing options...
yorks5stringer Posted November 13, 2017 Author Share Posted November 13, 2017 It's Chrome which seemed to work on the Youtube tutorials using Muriatic acid (which is US speak for Hydrochloric). Do you have a different method for Chrome please? Quote Link to comment Share on other sites More sharing options...
Bridgehouse Posted November 14, 2017 Share Posted November 14, 2017 On 13/11/2017 at 16:36, yorks5stringer said: It's Chrome which seemed to work on the Youtube tutorials using Muriatic acid (which is US speak for Hydrochloric). Do you have a different method for Chrome please? You can rough it up first and try ferric chloride, but the reality is that even on real vintage stuff chrome pits but never really dulls (it gets scratched which can look similar) If you want the real aged look you need to go with nickel parts 1 Quote Link to comment Share on other sites More sharing options...
Bridgehouse Posted November 14, 2017 Share Posted November 14, 2017 Just by way of example, here's some pics of the chrome parts on my 1964 Precision. Note the saddles and screws on the bridge are quite clearly not chrome 1 Quote Link to comment Share on other sites More sharing options...
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